Plasma Physics MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Plasma Physics MCQs for Preparation.
The student can clear their concepts for Plasma Physics online quiz by attempting it. Doing MCQs based Plasma Physics will help you to check your understanding and identify areas of improvement.
Plasma Physics Online MCQs with Answers
What is plasma?
a) A state of matter with definite shape and volume
b) A state of matter with definite shape but not volume
c) A state of matter with definite volume but not shape
d) A state of matter with neither definite shape nor volume
What is the fourth state of matter, after solid, liquid, and gas?
a) Plasma
b) Bose-Einstein condensate
c) Superfluid
d) Crystal
What is the most common element found in stars?
a) Hydrogen
b) Oxygen
c) Carbon
d) Nitrogen
In a plasma, what happens to the electrons?
a) They gain energy and move freely
b) They lose energy and become tightly bound
c) They remain stationary
d) They combine with protons to form neutrons
What is the term for the process by which a plasma is created by adding energy to a gas?
a) Ionization
b) Deionization
c) Fusion
d) Fission
Which of the following is a characteristic of a plasma?
a) It has a definite shape
b) It has a definite volume
c) It can conduct electricity
d) It is a good insulator
What is the unit of electric charge in the International System of Units (SI)?
a) Ampere
b) Coulomb
c) Volt
d) Ohm
What is the term for the state of a plasma when the number of positively charged ions is equal to the number of negatively charged electrons?
a) Equilibrium
b) Ionization
c) Deionization
d) Neutrality
What is the term for the process by which a plasma loses energy and recombines into a gas?
a) Ionization
b) Deionization
c) Fusion
d) Fission
What is the term for the phenomenon in which a plasma emits light when it is excited by an electric current or other energy source?
a) Ionization
b) Deionization
c) Emission
d) Absorption
What is the term for the temperature at which a plasma can sustain a nuclear fusion reaction?
a) Melting point
b) Boiling point
c) Ignition temperature
d) Critical temperature
Which of the following is a key parameter used to describe a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the region surrounding a plasma where its effects can be observed?
a) Ionosphere
b) Corona
c) Magnetosphere
d) Plasmasphere
What is the term for the process by which a plasma gains energy and increases its temperature and density?
a) Heating
b) Cooling
c) Equilibration
d) Ionization
Which of the following devices is used to confine and control a plasma using magnetic fields?
a) Tokamak
b) Van de Graaff generator
c) Particle accelerator
d) Cathode ray tube
What is the term for the process by which two atomic nuclei combine to form a heavier nucleus, releasing a large amount of energy?
a) Fusion
b) Fission
c) Ionization
d) Excitation
What is the term for the process by which a heavy nucleus splits into two or more lighter nuclei, releasing a large amount of energy?
a) Fusion
b) Fission
c) Ionization
d) Excitation
What is the term for the minimum amount of energy required to sustain a fusion reaction?
a) Threshold energy
b) Activation energy
c) Ionization energy
d) Excitation energy
Which of the following elements is commonly used as a fuel in fusion reactions?
a) Hydrogen
b) Oxygen
c) Carbon
d) Nitrogen
What is the term for the state of a plasma when it becomes self-sustaining and does not require external heating?
a) Equilibrium
b) Ionization
c) Ignition
d) Neutrality
Which of the following devices is used to generate and accelerate plasma particles to high speeds?
a) Particle accelerator
b) Van de Graaff generator
c) Tokamak
d) Cathode ray tube
What is the term for the device used to measure the density of a plasma?
a) Spectrometer
b) Mass spectrometer
c) Particle detector
d) Langmuir probe
What is the term for the region within a plasma where most of the energy is stored?
a) Core
b) Boundary
c) Sheath
d) Halo
Which of the following phenomena is associated with plasma physics?
a) Aurora borealis (Northern Lights)
b) Solar flares
c) Lightning
d) All of the above
What is the term for the process by which a plasma expands and fills a larger volume?
a) Compression
b) Confinement
c) Diffusion
d) Expansion
Which of the following devices is used to generate a plasma by applying a high voltage to a gas?
a) Van de Graaff generator
b) Plasma torch
c) Particle accelerator
d) Cathode ray tube
What is the term for the device used to measure the temperature of a plasma?
a) Thermometer
b) Pyrometer
c) Spectrometer
d) Particle detector
Which of the following phenomena is associated with the interaction between the solar wind and the Earth’s magnetic field?
a) Aurora borealis (Northern Lights)
b) Solar flares
c) Lightning
d) All of the above
What is the term for the device used to confine a plasma using a combination of magnetic and electric fields?
a) Tokamak
b) Van de Graaff generator
c) Particle accelerator
d) Cathode ray tube
Which of the following parameters is used to describe the average kinetic energy of particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which a plasma loses energy and decreases its temperature and density?
a) Heating
b) Cooling
c) Equilibration
d) Ionization
Which of the following devices is used to confine a plasma using a combination of electric and magnetic fields with a toroidal geometry?
a) Stellarator
b) Van de Graaff generator
c) Particle accelerator
d) Cathode ray tube
What is the term for the process by which a plasma expands and fills a larger volume due to an increase in pressure?
a) Compression
b) Confinement
c) Diffusion
d) Expansion
Which of the following parameters is used to describe the number of particles per unit volume in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the device used to measure the composition of a plasma by analyzing the energies of particles?
a) Spectrometer
b) Mass spectrometer
c) Particle detector
d) Langmuir probe
Which of the following phenomena is associated with the conversion of matter into energy in stars?
a) Fusion
b) Fission
c) Ionization
d) Excitation
What is the term for the process by which a plasma is confined and controlled using a combination of magnetic fields and plasma currents?
a) Magnetic confinement
b) Electric confinement
c) Electrostatic confinement
d) Inertial confinement
Which of the following devices is used to generate and accelerate charged particles using an electric field?
a) Van de Graaff generator
b) Plasma torch
c) Particle accelerator
d) Cathode ray tube
What is the term for the device used to measure the electric potential of a plasma?
a) Voltmeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the force per unit area exerted by particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which energy is transferred between particles in a plasma through collisions?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the formation of a plasma in the Earth’s atmosphere during a lightning strike?
a) Aurora borealis (Northern Lights)
b) Solar flares
c) Lightning
d) All of the above
What is the term for the process by which a plasma is confined and controlled using the inertia of its own mass?
a) Magnetic confinement
b) Electric confinement
c) Electrostatic confinement
d) Inertial confinement
Which of the following devices is used to generate a plasma by applying a high voltage to a solid or liquid?
a) Van de Graaff generator
b) Plasma torch
c) Particle accelerator
d) Cathode ray tube
What is the term for the device used to measure the flow of charged particles in a plasma?
a) Ammeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the total energy stored in a plasma?
a) Pressure
b) Temperature
c) Density
d) Internal energy
What is the term for the process by which a plasma transfers energy through the emission and absorption of electromagnetic radiation?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using high-frequency electromagnetic waves?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) RF heating
What is the term for the device used to measure the flow of electric current in a plasma?
a) Ammeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the average kinetic energy of particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which a plasma transfers energy through the movement of particles from a hotter region to a cooler region?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using an electric field and a magnetic field?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) Magnetic heating
What is the term for the device used to measure the magnetic field strength in a plasma?
a) Magnetometer
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the force per unit area exerted by particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which a plasma transfers energy through the random motion of particles?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using electrical currents?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) Joule heating
What is the term for the device used to measure the electric current in a plasma?
a) Ammeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the average spacing between particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which a plasma transfers energy through the emission and absorption of charged particles?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using a high-voltage electric field?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) Electric heating
What is the term for the device used to measure the electric field strength in a plasma?
a) Electrometer
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the total number of particles in a given volume of a plasma?
a) Pressure
b) Temperature
c) Density
d) Internal energy
What is the term for the process by which a plasma transfers energy through the movement of charged particles?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using electromagnetic waves with frequencies in the radio range?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) RF heating
What is the term for the device used to measure the flow of plasma particles in a specific direction?
a) Flowmeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the average speed of particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) All of the above
What is the term for the process by which a plasma transfers energy through the emission and absorption of photons?
a) Conduction
b) Radiation
c) Convection
d) Diffusion
Which of the following phenomena is associated with the confinement and heating of a plasma using an electric field?
a) Inductive heating
b) Resistive heating
c) Dielectric heating
d) Electrostatic heating
What is the term for the device used to measure the flow of plasma particles in a specific direction and with specific velocities?
a) Flowmeter
b) Coulomb meter
c) Spectrometer
d) Langmuir probe
Which of the following parameters is used to describe the total pressure exerted by particles in a plasma?
a) Pressure
b) Temperature
c) Density
d) Internal energy